import Vue from 'vue';
import Router from 'vue-router';

Vue.use(Router);

/* Layout */
import Layout from '@/layout';
import UserRouter from './modules/user';
import PopularizeRouter from './modules/popularize';
import NavigationRouter from './modules/navigation';
import ContentRouter from './modules/content';
import SectionRouter from './modules/section';
import ActivityRouter from './modules/activity';
import ApplyRouter from './modules/apply';
import SuggestRouter from './modules/suggest';
import ContentTagsRouter from './modules/contentTags';
import ReportRouter from './modules/report';
import ErrorRouter from './modules/error';
import NewsRouter from './modules/news';
import CertificationRouter from './modules/certification';

/**
 * Note: sub-teaching only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root teaching
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root teaching
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [{
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  {
    path: '/404',
    component: Layout,
    redirect: {
      name: 'error404'
    },
    children: [{
      path: '',
      name: 'error404',
      component: () => import('@/pages/users/list/users')
    }],
    hidden: true
  }
];

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRouters = [{
    path: '/',
    component: Layout,
    redirect: '/Home',
    children: [{
      path: '',
      name: 'Home',
      component: () => import('@/views/dashboard/index'),
      meta: {
        title: '首页',
        icon: 'home'
      }
    }]
  },
  UserRouter,
  PopularizeRouter,
  NavigationRouter,
  ContentRouter,
  ActivityRouter,
  ApplyRouter,
  SectionRouter,
  ContentTagsRouter,
  SuggestRouter,
  ReportRouter,
  NewsRouter,
  CertificationRouter,

  // 404 page must be placed at the end !!!
  {
    path: '*',
    redirect: '/404',
    hidden: true
  }
];

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({
    y: 0
  }),
  routes: constantRoutes
});

const router = createRouter();

export function resetRouter() {
  const newRouter = createRouter();
  router.matcher = newRouter.matcher; // reset router
}

export default router;
